- Cystic lung disease (i.e. LIP pattern) on HRCT is suspicious for Sjögren syndrome
- Drug-induced interstitial lung disease may represent all different ILD patterns
Both, NSIP pattern and OP pattern, can be found in patients with connective tissue disease. OP is also associated with inhalational injury and drug reaction.
Hobbs S, Lynch, D. The idiopathic interstitial pneumonias: an update and review. Radiol Clin N Am. 2014;52:105–120.